------------[ cut here ]------------
kernel BUG at mm/slab.c:2966!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 32286 Comm: syz-executor.0 Not tainted 5.1.0-rc6+ #186
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:alloc_block mm/slab.c:2966 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3025 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3128 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3111 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3350 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3555
Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b
RSP: 0018:ffff8880895f7828 EFLAGS: 00010086
RAX: 0000000000000003 RBX: ffffea00025eb780 RCX: ffff88809f8c8e48
RDX: ffff88809f8c8e38 RSI: 0000000000000000 RDI: ffff88809f8c8e00
RBP: ffff8880895f7890 R08: 1ffff110112beef2 R09: 000000000000000c
R10: ffffed10112beef2 R11: 0000000000000003 R12: ffffea0002149b48
R13: ffff888096cd7b40 R14: 000000000000000a R15: ffffe8ffffd75160
FS:  00007f76a3e7f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e65e0 CR3: 00000000880f7000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 alloc_inode+0xb8/0x190 fs/inode.c:212
 new_inode_pseudo+0x19/0xf0 fs/inode.c:903
 __ns_get_path.isra.0+0x13c/0x7b0 fs/nsfs.c:76
 ns_get_path_cb+0x42/0x90 fs/nsfs.c:117
 ns_get_path+0x81/0xb0 fs/nsfs.c:143
 proc_ns_get_link+0x170/0x1b0 fs/proc/namespaces.c:55
 get_link fs/namei.c:1082 [inline]
 trailing_symlink+0x779/0x970 fs/namei.c:2261
 path_openat+0xa95/0x46e0 fs/namei.c:3535
 do_filp_open+0x1a1/0x280 fs/namei.c:3563
 do_sys_open+0x3fe/0x5d0 fs/open.c:1069
 __do_sys_open fs/open.c:1087 [inline]
 __se_sys_open fs/open.c:1082 [inline]
 __x64_sys_open+0x7e/0xc0 fs/open.c:1082
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x412d41
Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 2a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 73 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f76a3e7ec10 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000412d41
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004bd9a3
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f76a3e7f9d0 R11: 0000000000000293 R12: 00007f76a3e7f6d4
R13: 00000000004c77f9 R14: 00000000004dd808 R15: 00000000ffffffff
Modules linked in:
---[ end trace e227e4563ecc8444 ]---
RIP: 0010:alloc_block mm/slab.c:2966 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3025 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3128 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3111 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3350 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3555
Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b
RSP: 0018:ffff8880895f7828 EFLAGS: 00010086
RAX: 0000000000000003 RBX: ffffea00025eb780 RCX: ffff88809f8c8e48
RDX: ffff88809f8c8e38 RSI: 0000000000000000 RDI: ffff88809f8c8e00
RBP: ffff8880895f7890 R08: 1ffff110112beef2 R09: 000000000000000c
R10: ffffed10112beef2 R11: 0000000000000003 R12: ffffea0002149b48
R13: ffff888096cd7b40 R14: 000000000000000a R15: ffffe8ffffd75160
FS:  00007f76a3e7f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e65e0 CR3: 00000000880f7000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400